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经营范围
发明名称
Lubricated valve
摘要
申请公布号
US2593968(A)
申请公布日期
1952.04.22
申请号
US19450637222
申请日期
1945.12.26
申请人
MUELLER CO.
发明人
BOWAN WALTER J.;TRATZIK FREDERICK
分类号
F16K5/22
主分类号
F16K5/22
代理机构
代理人
主权项
地址
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